code: def _build_connection_response(self):
      with self.clients_lock:
          cur_num_clients = self.num_clients
      return ray_client_pb2.ConnectionInfoResponse(
          num_clients=cur_num_clients,
          python_version="{}.{}.{}".format(
              sys.version_info[0],
              sys.version_info[1],
              sys.version_info[2],
          ),
          ray_version=ray.__version__,
          ray_commit=ray.__commit__,
          protocol_version=CURRENT_PROTOCOL_VERSION,
      )
  
imports: from collections import defaultdict
  from ray.util.client.server.server_pickler import loads_from_client
  import ray
  import logging
  import grpc
  from queue import Queue
  import sys
  from typing import Any, Dict, Iterator, TYPE_CHECKING, Union
  from threading import Event, Lock, Thread
  import time
  import ray.core.generated.ray_client_pb2
  import ray.core.generated.ray_client_pb2_grpc
  from ray.util.client.common import CLIENT_SERVER_MAX_THREADS, _propagate_error_in_context, OrderedResponseCache
  from ray.util.client import CURRENT_PROTOCOL_VERSION
  from ray.util.debug import log_once
  from ray._private.client_mode_hook import disable_client_hook
label_desc: Use image node_id 4 for calling the DataServicer obj's underlying member method code with example usage: obj._build_connection_response() and returns: ray_client_pb2